I'd love to buy the game, but the only payment option is PayPal, which I can't use anymore and don't want to use anymore.

And since it's an adult game, thanks to those fat cats at MasterCard and Visa, I can't pay with them anymore.

I hope Wero stands its ground and really kicks Visa and MC in the butt.

I also don’t want to pay every month via Patreon, so I’d like an optional payment method that can somehow be used on itch.io.

I'm looking into selling game codes via one of the code websites (like g2a) as an alternative for people who can't use PayPal. Would you be comfortable with that as a solution?

Yes, that would be one possibility. 

Just spitballing here, is there any chance this could get Early Access on Steam?  Same problem as above for payment, choosing not to use Paypal (reasons).  I have a card on file with itchio, but fails to present as a purchase option.

I have a payment years ago for the standard release, but the offer of an Early Access type transaction is just to tempting to pass up.  So, I'm asking.

Y'all have a good day.